ETH Zürich (Switzerland) – Geology of the Tour de France: Earth science meets cycling Douwe J.J. van Hinsbergen Posted on June 29, 2023 by douweJune 29, 2023 https://erdw.ethz.ch/en/news-events/news/archive/2023/06/geologie-der-tour-de-france-erdwissenschaft-trifft-radsport.html